Vacuum cleaner



FIG. 1 is a front, top and right side perspective view of a vacuumcleaner showing my new design;

FIG. 2 is a right side view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a top side view thereof;

FIG. 5 is a front side view thereof;

FIG. 6 is a rear side view thereof; and,

FIG. 7 is a bottom side view thereof.

The ornamental design for a vacuum cleaner, as shown and described.